package com.example.dao;

import com.example.pojo.Department;
import com.example.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工Dao
@Repository
public class EmployeeDao {
    //模拟数据库的信息
    private static Map<Integer, Employee> employees=null;
    //员工有所属部门
    @Autowired
    private DepartmentDao departmentMapDap;

    static {
        //创建一个员工表（模拟数据库数据）
        employees = new HashMap<Integer, Employee>();

        employees.put(1001, new Employee(1001, "AA1", "1918308849@qq.com", 0, new Department(101, "教学部")));
        employees.put(1002, new Employee(1002, "AA2", "1918308849@qq.com", 1, new Department(102, "市场部")));
        employees.put(1003, new Employee(1003, "AA3", "1918308849@qq.com", 0, new Department(103, "教研部")));
        employees.put(1004, new Employee(1004, "AA4", "1918308849@qq.com", 1, new Department(104, "运营部")));
        employees.put(1005, new Employee(1005, "AA5", "1918308849@qq.com", 0, new Department(105, "后勤部")));
    }

    //主键自增
    private static Integer ininID = 100;

    //增加一个员工
    public void  save(Employee employee){
        if (employee.getId() == null){
            employee.setId(ininID++);
        }
        employee.setDepartment(departmentMapDap.getDepartmentByID(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

    //查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //删除员工通过id
    public void delete(Integer id){
        employees.remove(id);
    }
}
